David Satterthwaite is a senior fellow at IIED and Visiting Professor at the Development Planning Unit, University College London. The book he co-authored with Diana Mitlin on Urban Poverty in the Global South; Scale and Nature (Routledge, 2012) looks in detail at what causes urban poverty and a new book due to be published by Routledge (also co-authored with Diana Mitlin) is on Reducing Urban Poverty in the Global South. David is also a coordinating lead author of the chapter on urban adaptation in the Fifth Assessment of the Inter-governmental Panel on Climate Change (IPCC).